Michael A. Redfearn — 1 Patent at Cominco

Michael A. Redfearn has been granted 1 US patent while listed as an inventor at Cominco. All of these patents were granted in 1990. Michael A. Redfearn ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Michael A. Redfearn in Kimberley, BC, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4911826	Sparging system for column flotation	Peter L. Harach, Donald B. Waites	1990-03-27	$4,113,000

Michael A. Redfearn — 1 Patent

Issued Patents All Time

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